CN210321473U - Measuring caliper for shoulder dimension of aircraft tire - Google Patents
Measuring caliper for shoulder dimension of aircraft tire Download PDFInfo
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- CN210321473U CN210321473U CN201921696111.5U CN201921696111U CN210321473U CN 210321473 U CN210321473 U CN 210321473U CN 201921696111 U CN201921696111 U CN 201921696111U CN 210321473 U CN210321473 U CN 210321473U
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Abstract
The utility model discloses an aircraft tire shoulder size measurement slide caliper rule, including the main scale, the main vernier scale on the main scale is established to the level cover, measure the claw on the right side with the integrative left side that links to each other of main scale, main vernier scale respectively, it is different with prior art: the vernier scale also comprises an auxiliary vernier scale and an auxiliary ruler; the auxiliary vernier scale is arranged between the left measuring claw and the right measuring claw, the auxiliary vernier scale is formed by intersecting a vertical sliding groove and a transverse sliding groove to form a cross sliding groove, the main scale and the transverse sliding groove are matched and assembled, and the auxiliary scale and the vertical sliding groove are matched and assembled; the auxiliary vernier scale can move left and right along the main scale, and the auxiliary scale can slide up and down in a vertical sliding groove of the auxiliary vernier scale; the auxiliary ruler and the auxiliary vernier are perpendicular to the main ruler. The utility model discloses measuring caliper rule simple structure, practicality are the special measuring caliper rule that is applicable to aircraft tire shoulder size, can realize the accurate measurement to aircraft tire shoulder width and tire shoulder diameter.
Description
Technical Field
The utility model relates to a measuring caliper specifically is a measuring caliper who realizes aircraft tire's tire shoulder diameter and tire shoulder width measurement.
Background
In the development and inspection process of the aircraft tire, measurement and inspection of the inflation dimension of the aircraft tire are generally required, wherein the inflation dimension comprises an outer diameter, a section width, a shoulder diameter, a shoulder width and the like, and the shoulder diameter and the shoulder width are the shoulder dimension.
The tire shoulder size of the aircraft tire is an important interface size of the aircraft tire and an airplane wheel cabin, a certain gap is reserved on the basis of the maximum tire shoulder size of the tire according to the inner contour of the wheel cabin, and the tire shoulder position cannot interfere with adjacent parts of the wheel cabin to cause part damage when the tire rotates at a high speed. If the size of the shoulder of the aircraft tire cannot be effectively controlled, the interference risk of the shoulder part is increased or the space waste of overlarge gaps of the shoulder part is caused.
GB/T1193 and 1998 method for measuring the outer edge size of an aircraft tire stipulates that the measurement of the width of the tire shoulder takes the maximum tire shoulder diameter stipulated by design as a reference, two points symmetrical to the center line of the tire tread are respectively determined at the quartering part of the outer contour of the tire, the connecting line of the two points is parallel to the axis of the tire, and the distance between the two points is measured by a vernier caliper or a caliper, so that the value of the width of the tire shoulder is obtained. The measurement values are taken as the arithmetic mean of four points.
Measuring the shoulder diameter: based on the maximum shoulder width of the tire specified by design, two points symmetrical to the center line of the tread are respectively determined at the four halves of the outer contour of the tire, the connecting line of the two points is parallel to the axis of the tire, the vertical distance between the two points and the axis of the tire is respectively measured by a vernier caliper or a caliper, and the two times of the vertical distance is the shoulder diameter value of the tire. The measurement values are taken as the arithmetic mean of four points.
At present, the shoulder size is measured domestically, and a vernier caliper or a caliper is usually used for matching, so that the measurement is troublesome and the measurement efficiency is low. At present, a special measuring tool capable of directly measuring the size of the tire shoulder does not exist, so that the tire shoulder size cannot be accurately and effectively measured, and the conformity of the tire shoulder size cannot be effectively analyzed and evaluated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is for solving the unable problem of effectively measuring of carrying out of aircraft tire shoulder size, provides the special measurement slide caliper rule that can the direct measurement aircraft tire shoulder size, can realize GB/T1193 and the measuring method of 1998 specified aircraft tire shoulder width and shoulder diameter.
Realize the utility model discloses the technical scheme of purpose is:
the utility model provides an aviation tire shoulder size measurement slide caliper rule, includes the main scale, the main vernier scale on the main scale is established to the level cover, measure the claw with the integrative left side that links to each other of main scale, main vernier scale respectively, the right side, be different with prior art:
the vernier scale also comprises an auxiliary vernier scale and an auxiliary ruler;
the auxiliary vernier scale is arranged between the left measuring claw and the right measuring claw, the auxiliary vernier scale is formed by intersecting a vertical sliding groove and a transverse sliding groove to form a cross sliding groove, the main scale and the transverse sliding groove are matched and assembled, and the auxiliary scale and the vertical sliding groove are matched and assembled; the auxiliary vernier scale can move left and right along the main scale, and the auxiliary scale can slide up and down in a vertical sliding groove of the auxiliary vernier scale;
the auxiliary ruler and the auxiliary vernier scale are perpendicular to the main ruler;
and moving an auxiliary vernier of the measuring caliper to enable the auxiliary vernier to be positioned at the middle position between the left measuring claw and the right measuring claw, moving the auxiliary vernier up and down, and measuring the height difference between the left measuring claw and the right measuring claw and the measuring head of the auxiliary vernier.
The auxiliary ruler and the auxiliary vernier scale are detachably connected with the main ruler and the auxiliary vernier scale.
The line distance of the main ruler is 1 mm, and the measurable length is 0-550 mm; the line distance of the auxiliary ruler is 1 mm, and the measurable length is 0-150 mm.
The measurement precision of the main vernier and the auxiliary vernier is 0.1 mm.
And fastening screws are arranged on the main vernier and the auxiliary vernier.
Measuring the shoulder size of the aircraft tire by using the measuring caliper, and firstly measuring the outer diameter of the measured tire; when the diameter of the tire shoulder of the tire to be measured is measured, the main vernier is adjusted to the maximum width position specified by design and fixed, the auxiliary vernier is adjusted to the width position of 1/2 tire shoulders and fixed, the left measuring claw and the right measuring claw are positioned at the symmetrical parts of the tire shoulder, the auxiliary ruler is moved downwards to enable the measuring head to be attached to the center position of the tire crown, and the height difference from the tire crown to the tire shoulder is measured;
and then calculating the diameter of the tire shoulder according to the outer diameter and the height difference of the tire, wherein the calculation formula is as follows:
shoulder diameter = outer diameter-height difference × 2.
When measuring the width of the tire shoulder of the tire to be measured, firstly calculating the height difference according to the outer diameter of the tire and the maximum tire shoulder diameter specified by the design, wherein the calculation formula is as follows: height difference = (outer diameter-shoulder diameter)/2;
and then the auxiliary ruler is adjusted to the height difference position and fixed, the auxiliary vernier is moved to the position of 1/2 tire shoulder width and fixed, the measuring head is attached to the center position of the crown part of the tire, the main vernier is moved to enable the left measuring claw and the right measuring claw to clamp the symmetrical part of the tire shoulder, and the width of the tire shoulder is measured.
The utility model discloses measuring caliper adopts the combination of conventional slide caliper (being main scale and main vernier scale) and vernier depth gauge (being vice chi and vice vernier scale), forms crisscross integrated configuration, and simple structure, practicality are the special measuring caliper who is applicable to aircraft tire shoulder size, can realize the accurate measurement to aircraft tire shoulder width and tire shoulder diameter.
Drawings
FIG. 1 is a schematic structural view of the aircraft tire shoulder dimension measuring caliper of the present invention;
in the figure, 1, a main ruler 1-1, a left measuring claw 2-1, a right measuring claw 2, a main vernier 3, an auxiliary vernier 3-1, a vertical sliding groove 3-2, a transverse sliding groove 4, an auxiliary ruler 4-1, a measuring head 5 and a fastening screw.
Figure 2 is adopting the utility model discloses measure slide caliper rule and measure the measurement schematic diagram of aircraft tire shoulder chi.
Detailed Description
The present invention will be further described with reference to the following drawings and examples, but the present invention is not limited thereto.
Example (b):
referring to fig. 1, the measuring caliper for the shoulder size of the aircraft tire comprises a main ruler 1, a main vernier 2 horizontally sleeved on the main ruler 1, a left measuring claw 1-1 and a right measuring claw 2-1 which are respectively connected with the main ruler 1 and the main vernier 2 into a whole, and an auxiliary vernier 3 and an auxiliary ruler 4;
the auxiliary vernier scale 3 is arranged between the left measuring claw 1-1 and the right measuring claw 2-1, the auxiliary vernier scale 3 is formed by intersecting a vertical sliding groove 3-1 and a transverse sliding groove 3-2 (shielded and not marked in the figure) to form a cross sliding groove, the main scale 1 is matched and assembled with the transverse sliding groove 3-2, and the auxiliary scale 4 is matched and assembled with the vertical sliding groove 3-1; the auxiliary vernier 3 moves left and right along the main vernier 1, and the auxiliary vernier 4 slides up and down in the vertical sliding groove 3-1 of the auxiliary vernier 3;
the auxiliary ruler 4 and the auxiliary vernier 3 are perpendicular to the main ruler 1;
and moving an auxiliary vernier 3 of the measuring caliper to enable an auxiliary ruler 4 to be positioned at the right middle position of the left measuring claw 1-1 and the right measuring claw 2-1, moving the auxiliary ruler 4 up and down, and measuring the height difference of the measuring head 4-1 of the left measuring claw 1-1, the right measuring claw 2-1 and the auxiliary ruler 4.
The auxiliary ruler 4 and the auxiliary vernier 3, and the main ruler 1 and the auxiliary vernier 3 are detachably connected.
And fastening screws 5 are arranged on the main vernier 2 and the auxiliary vernier 3.
Taking the maximum tire shoulder diameter of the aircraft tire specified by design as a reference, the linear distance of the main ruler 1 is 1 mm, the measurable length is 0-550 mm, and the embodiment is 0-300 mm; the line pitch of the sub ruler 4 is 1 mm, the measurable length is 0-150 mm, and the embodiment is 0-70 mm.
The measurement precision of the main vernier and the auxiliary vernier is 0.1 mm.
Referring to fig. 2, the shoulder size of the aircraft tire is measured by using the measuring caliper, and the outer diameter D of the tire is measured firstly.
When measuring the diameter Ds of the tire shoulder, firstly adjusting the main vernier scale 2 to the position of the maximum tire shoulder width Wsmax specified by design and fixing the position, adjusting the auxiliary vernier scale 3 to the position of 1/2 tire shoulder width Wsmax and fixing the position, positioning the left measuring claw 1-1 and the right measuring claw 2-1 at the symmetrical part of the tire shoulder, moving the auxiliary ruler 4 downwards to enable the measuring head 4-1 to be attached to the center position of the tire crown, and measuring the height difference delta H from the tire crown to the tire shoulder;
and then calculating the tire shoulder diameter Ds according to the tire outer diameter D and the height difference delta H, wherein the calculation formula is as follows:
Ds= D-ΔH×2
wherein, D is the outer diameter of the tire;
Δ H height difference;
ds shoulder diameter.
When measuring the tire shoulder width Ws, firstly, calculating the height difference Delta H according to the tire outer diameter D and the maximum tire shoulder diameter Dsmax specified by design, wherein the calculation formula is as follows:
ΔH =（D-Dsmax）/2
and then the auxiliary ruler 4 is adjusted to the height difference delta H position and fixed, the auxiliary vernier 3 is moved to the position of 1/2 tire shoulder width Ws and fixed, the measuring head 4-1 is tightly attached to the center of the crown part of the tire, the main vernier 2 is moved to enable the left measuring claw 1-1 and the right measuring claw 2-1 to clamp the symmetrical part of the tire shoulder, and the tire shoulder width Ws is measured.
Adopt the utility model discloses measure slide caliper rule can be quick, accurately measure aircraft tire's tire shoulder diameter and tire shoulder width, and the convenience carries out effectual analysis and evaluation to the compliance of tire shoulder size.
Claims (5)
1. The utility model provides an aviation tire shoulder size measurement slide caliper rule, includes the main scale, the main vernier scale on the main scale is established to the level cover, measure claw, the right side with integrative left side measurement claw that links to each other of main scale, main vernier scale respectively, its characterized in that:
the vernier scale also comprises an auxiliary vernier scale and an auxiliary ruler;
the auxiliary vernier scale is arranged between the left measuring claw and the right measuring claw, the auxiliary vernier scale is formed by intersecting a vertical sliding groove and a transverse sliding groove to form a cross sliding groove, the main scale and the transverse sliding groove are matched and assembled, and the auxiliary scale and the vertical sliding groove are matched and assembled; the auxiliary vernier moves left and right along the main vernier, and the auxiliary vernier slides up and down in a vertical sliding groove of the auxiliary vernier;
the auxiliary ruler and the auxiliary vernier scale are perpendicular to the main ruler;
and moving an auxiliary vernier of the measuring caliper to enable the auxiliary vernier to be positioned at the middle position between the left measuring claw and the right measuring claw, and moving the auxiliary vernier up and down to measure the height difference between the left measuring claw and the right measuring claw and the measuring head of the auxiliary vernier.
2. The aircraft tire shoulder dimension measuring caliper of claim 1, wherein: the auxiliary ruler and the auxiliary vernier scale are detachably connected with the main ruler and the auxiliary vernier scale.
3. The aircraft tire shoulder dimension measuring caliper of claim 1, wherein: the line distance of the main ruler is 1 mm, and the measurement length is 0-550 mm; the line distance of the auxiliary ruler is 1 mm, and the measurement length is 0-150 mm.
4. The aircraft tire shoulder dimension measuring caliper of claim 3, wherein:
the measurement precision of the main vernier and the auxiliary vernier is 0.1 mm.
5. The aircraft tire shoulder dimension measuring caliper of claim 1, wherein: and fastening screws are arranged on the main vernier and the auxiliary vernier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696111.5U CN210321473U (en) | 2019-10-11 | 2019-10-11 | Measuring caliper for shoulder dimension of aircraft tire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696111.5U CN210321473U (en) | 2019-10-11 | 2019-10-11 | Measuring caliper for shoulder dimension of aircraft tire |
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| Publication Number | Publication Date |
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| CN210321473U true CN210321473U (en) | 2020-04-14 |
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| CN201921696111.5U Active CN210321473U (en) | 2019-10-11 | 2019-10-11 | Measuring caliper for shoulder dimension of aircraft tire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530228A (en) * | 2019-10-11 | 2019-12-03 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of aircraft tyre tire shoulder dimensional measurement slide calliper rule and measurement method |
| CN113124761A (en) * | 2021-03-02 | 2021-07-16 | 中铁七局集团第三工程有限公司 | Grating type metro tunnel segment staggering measuring scale |
-
2019
- 2019-10-11 CN CN201921696111.5U patent/CN210321473U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530228A (en) * | 2019-10-11 | 2019-12-03 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of aircraft tyre tire shoulder dimensional measurement slide calliper rule and measurement method |
| CN113124761A (en) * | 2021-03-02 | 2021-07-16 | 中铁七局集团第三工程有限公司 | Grating type metro tunnel segment staggering measuring scale |
| CN113124761B (en) * | 2021-03-02 | 2022-11-22 | 中铁七局集团第三工程有限公司 | Grating type metro tunnel segment staggering measuring scale |
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